📅 MIT Science Bowl Invitational 2020🎓 HS🔄 Round 11#️⃣ Question 20🌟 BONUS✍️ Short Answer
Within regions in stars where hydrogen and helium are partially ionized, the opacity can increase with temperature, causing the stellar atmosphere to become unstable against radial pulsations. What is the term for this mechanism?
✔️Answer:Kappa mechanism
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